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Finding the Fourth Proportional to 254.84, 382.02 and 132.84

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Solution

The fourth proportional to 254.84, 382.02 and 132.84 is: 199.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.84 : 382.02 = 132.84 : x
  2. Step 2: Convert to fraction form
    254.84/382.02 = 132.84/x
  3. Step 3: Cross multiply
    254.84x = 382.02 × 132.84
  4. Step 4: Simplify right side
    254.84x = 50,747.54
  5. Step 5: Solve for x
    x = 50,747.54/254.84
  6. Step 6: Final answer
    x = 199.13

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.